QUESTION 2  If the solubility of copper(II) iodate Cu(IO3)2 is reported as 0.12 g per 100 mL, what is the solubility product constant for this salt?     A.  9.8 × 10-8     B.  8.6 × 10-7     C.  7.3 × 10-6     D.  6.4 × 10-5   QUESTION 3 What is the minimum pH at which cobalt(II) hydroxide [Ksp = 2.0 × 10^-16] will precipitate from a solution 0.020 M in Co2+?     A.  5.8     B.  6.2       C.  7.0     D.  7.8

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